Class 6 Exam  >  Class 6 Notes  >  Science for Class 6  >  Unit Test: Exploring Magnets

Unit Test: Exploring Magnets | Science for Class 6 PDF Download

Attempt all questions. Time: 1 hour, M.M. 30

Question numbers 1 to 7 carry 1 mark each.
Question numbers 8 to 12 carry 2 mark each.
Question numbers 13 to 15 carry 3 marks each.
Question number 16 carries 4 marks each.

Q1: Which of the following materials is attracted to a magnet? (1 Mark)
A. Wood
B. Rubber
C. Iron
D. Glass

Q2: The materials that are attracted to a magnet are called __________ materials. (1 Mark)

Q3: The North pole of a magnet is attracted to which pole of another magnet? (1 Mark)

Q4: What is the shape of the magnetic field observed when iron filings are spread on paper near a bar magnet? (1 Mark)
A. Circular
B. Straight
C. Linear
D. A pattern with two poles

Q5: What happens when two like poles of a magnet are brought close to each other? (1 Mark)
A. They attract each other
B. They repel each other
C. They stay unaffected
D. They break apart

Q6: A freely suspended magnet always aligns itself along the __________ direction. (1 Mark)

Q7: Name a device that works using Earth's magnetic field. (1 Mark)

Q8: The two poles of a magnet are __________ and __________. (2 Mark)

Q9: Give some examples of non-magnetic materials. (2 Mark)

Q10: What materials are needed to make a simple magnetic compass? (2 Mark)

Q11: What are the differences between magnetic and non-magnetic materials? Provide two examples of each. (2 Marks)

Q12: Explain how a magnetic compass helps in finding directions. (2 Marks)

Q13: You have a bar magnet. How would you demonstrate that it has two poles? (3 Marks)

Q14: What happens when a magnet is broken into two pieces? What can you conclude from this experiment about the poles of a magnet? (3 Marks)

Q15: Explain why a piece of wood does not affect the deflection of a magnetic compass needle. What does this suggest about the interaction between magnets and non-magnetic materials? (3 Marks)

Q16: How does a magnetic compass work, and why does its needle always point in the north-south direction? (4 Marks)

The document Unit Test: Exploring Magnets | Science for Class 6 is a part of the Class 6 Course Science for Class 6.
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FAQs on Unit Test: Exploring Magnets - Science for Class 6

1. What are the basic properties of magnets?
Ans. Magnets have two poles, north and south, which produce a magnetic field. They attract materials like iron, nickel, and cobalt, and can repel or attract other magnets depending on their orientation. Magnets also lose their magnetism when heated or dropped.
2. How do magnets work?
Ans. Magnets work through the alignment of magnetic domains, which are tiny regions within the material where the magnetic fields of atoms are aligned in the same direction. When most of these domains are aligned, the material exhibits strong magnetic properties.
3. What are some common uses of magnets in everyday life?
Ans. Magnets are commonly used in various applications, such as in refrigerator magnets, credit card strips, speakers, electric motors, and magnetic compasses. They are also used in medical devices like MRI machines.
4. Can magnets lose their magnetism? If so, how?
Ans. Yes, magnets can lose their magnetism through several processes, including exposure to high temperatures, physical shock (like dropping), or demagnetizing fields from other magnets. This can cause the alignment of magnetic domains to be disrupted.
5. What materials are attracted to magnets?
Ans. Materials that are attracted to magnets include ferromagnetic materials such as iron, nickel, and cobalt. Some alloys and certain types of steel can also exhibit magnetic properties, while non-magnetic materials like wood, plastic, and glass will not be attracted to magnets.
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